package com.liujun.io.netty.five.echo.client;

import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

public class EchoClientHandler extends ChannelHandlerAdapter {

	private int counter;

	static final String ECHO_REQ = "Hi,liujun,Welcome to Netty,$_";

	public EchoClientHandler() {

	}

	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {

		for (int i = 0; i < 10; i++) {
			ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));
		}

	}

	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg)
			throws Exception {
		System.out.println("This is "+ ++counter +" times receive server:["+msg+"]");
	}
	@Override
	public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
		ctx.flush();
	}

	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
			throws Exception {
		cause.printStackTrace();
		ctx.close();
	}

}
